Best Time to Fly PIT to AUS: On-Time Stats by Hour & Airline
Pittsburgh International → Austin - Bergstrom International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 81.5% of Pittsburgh (PIT) to Austin (AUS) flights arrived on time (321 scheduled flights). That is 3.9 points above the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (91% on time) and September the worst month (77%).
The cancellation rate was 0.3% (US average 1.8%).
PIT to AUS on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 81.6% | 40 min | 0.3% | 296 |
| Allegiant Air | Limited data | 25 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PIT to AUS
On-time arrival % by scheduled departure hour (local time), 645 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 96.0% | 0.0% | 75 |
| 7am–8am | 91.5% | 0.0% | 106 |
| 8am–9am | 90.4% | 0.0% | 52 |
| 9am–10am | Limited data | 1 | |
| 10am–11am | Limited data | 22 | |
| 11am–12pm | 87.0% | 0.0% | 46 |
| 12pm–1pm | 79.1% | 0.0% | 91 |
| 1pm–2pm | 74.7% | 0.0% | 71 |
| 2pm–3pm | 93.9% | 0.0% | 33 |
| 3pm–4pm | Limited data | 27 | |
| 4pm–5pm | 72.6% | 1.6% | 64 |
| 5pm–6pm | 84.2% | 0.0% | 57 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PIT to AUS
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 12 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 80.0% | -4.9 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 79.3% | -5.6 pts | 0.0% | 151 |
| All other days | 84.9% | — | 0.4% | 452 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).